Greylock Partners - Portfolio

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American Medical Systems

Urology products

Status: Acquired by Pfizer in 1985
Funded: 1980 Howard Cox

Amisys Managed Care

HMO management software

Status: IPO 1995
Funded: 1994 Howard Cox

Arbor Health Care

Sub acute care provider

Status: IPO 1993, Acquired by Extendicare in 1997
Funded: 1985 Howard Cox

AVEO Pharmaceuticals

Cancer therapeutics

Status: Private
Funded: 2002 Bill Helman

Biomedical Resources

Clinical labs

Status: IPO 1969, Acquired by SmithKline in 1988
Funded: 1968 Charlie Waite

BioSurface Technology

Medical products to treat tissue damage

Status: IPO 1993, Acquired by Genzyme in 1995
Funded: 1987 Dan Gregory

Cairnstone

Catastrophic care management

Status: Private
Funded: 1996 Howard Cox

Centene

Medicaid focused HMO

Status: IPO 2001
Funded: 1993 Howard Cox

Centocor

Monoclonal antibody based therapeutic and diagnostic products

Status: IPO 1982, Acquired by Johnson & Johnson in 1999
Funded: 1981 Charlie Waite

Chrysalis International

Pre-clinical testing services

Status: IPO 1991
Funded: 1988 Bill Elfers

Cobe Laboratories

Open heart/kidney dialysis equipment

Status: IPO 1972, Acquired by Gambro, AB in 1990
Funded: 1969 Charlie Waite

CompDent

Pre-paid dental health plan

Status: Acquired by APPS in 1995
Funded: 1992 Howard Cox

Concert Pharmaceuticals

Small molecule pharmaceuticals

Status: Private
Funded: 2006 Bill Helman

Exact Sciences

Oncology diagnostics

Status: IPO 2001
Funded: 1996 Bill Helman

Genetics Institute

Protein-based therapeutics

Status: IPO 1986, Acquired By American Home Products in 1997
Funded: 1980 Dan Gregory

Haemonetics

Blood separation equipment

Status: IPO 1979
Funded: 1974 Charlie Waite

HealthHiway

SaaS for the Indian healthcare industry

Status: Private
Funded: 2009 Arvin Babu , Bill Helman

Hill Top Research

Clinical research services

Status: Private
Funded: 1997 Howard Cox

HPR

Integrated clinical software solutions

Status: IPO 1995, Acquired by HBO & Company in 1997
Funded: 1991 Howard Cox

Immulogic

Allergy and auto-immune products

Status: IPO 1991
Funded: 1987 Henry McCance

Landacorp

Clinical resource management systems

Status: IPO 2000, Acquired by SHPS in 2004
Funded: 1998 Howard Cox

Lunar

Bone diagnostic equipment

Status: IPO 1990, Acquired by GE Medical Systems in 2000
Funded: 1986 Howard Cox

Managed Comp

Managed worker's compensation

Status: Private
Funded: 1996 Howard Cox

Meditech

Hospital information systems

Status: Private
Funded: 1986 Howard Cox

Millennium Pharmaceuticals

Gene-based therapeutics

Status: IPO 1996
Funded: 1993 Bill Helman

Millipore

Separation/filtration equipment

Status: IPO 1987
Funded: 1969 Dan Gregory

Mitotix

Cell cycle / proliferation therapeutics

Status: Acquired by GPC Biotech AG in 2000
Funded: 1992 Bill Helman

Molecular Design

Databases for chemical research

Status: Acquired by Maxwell-Macmillan in 1987
Funded: 1983 David Strohm

Molecular Dynamics

Instrumentation for life science research

Status: IPO 1993, Acquired by Nycomed Amersham in 1998
Funded: 1992 David Strohm

Neurex

Therapeutic products for cardiorenal and neurological diseases

Status: IPO 1993, Acquired by Elan in 1998
Funded: 1987 Bill Helman

Neutrogena

Dermatology

Status: IPO 1973
Funded: 1973 Charlie Waite

Ontogeny

Developmental biology

Status: Merged with Creative BioMolecules to create Curis in 2000
Funded: 1994 Bill Helman

Oxford Labs

Disposable medical products

Status: IPO 1973, Acquired by G.D. Searle in 1974
Funded: 1970 Charlie Waite

Pharmacopeia

Small molecule combinatorial chemistry

Status: IPO 1995
Funded: 1994 Bill Helman

Phycor Management Corporation

Physician practice management

Status: Acquired by Phycor in 1998
Funded: 1995 Howard Cox

Praecis Pharmaceuticals

Peptide screening for drugs

Status: IPO in 2000, Acquired by GSK in 2006
Funded: 1993 Henry McCance

Pryon

CO2 analyzer

Status: Acquired by Protocol in 1996
Funded: 1990

Rehab Systems

Rehabilitation hospitals

Status: Acquired by Novacare in 1991
Funded: 1987 Howard Cox

Respiratory Care

Disposable medical products

Status: Acquired by Colgate in 1977
Funded: 1973 Henry McCance

SCIREX

Clinical Research Organization

Status: Private
Funded: 1996 Bill Helman

Share Development

HMO

Status: Acquired by United Healthcare in 1985
Funded: 1983 Howard Cox

Spacelabs

Monitoring equipment

Status: Acquired by Squibb in 1980
Funded: 1973 Charlie Waite

Stryker

Orthopedics focused medical devices

Status: IPO 1979
Funded: 1974 Howard Cox

TravCorps

Health care staffing services

Status: Private
Funded: 1995 Howard Cox

Vertex Pharmaceuticals

Structure-based drug design

Status: IPO 1991
Funded: 1989 Bill Helman

VHA Long Term Care

Nursing home management

Status: Acquired by ServiceMaster in 1993
Funded: 1992 Howard Cox

Vivra Specialty Partners

Specialty focused physician practice management

Status: Private
Funded: 1997 Howard Cox

Worthington Biochemical

Enzymes

Status: IPO 1971, Acquired by Millipore in 1975
Funded: 1967 Dan Gregory

Xoma

Infectious and immune-system drugs

Status: IPO 1986
Funded: 1981 Charlie Waite